On Mon, 26 Sep 2005 23:40:20 -0400 Chuck Ebbert wrote:

> In-Reply-To: <[EMAIL PROTECTED]>
> 
> On Sat, 24 Sep 2005 at 10:59:14 -0400, Alan Stern wrote:
> 
> > Have you tried building these things as modules instead of compiling them 
> > into the kernel?  Then you could test what happens when you simply rmmod 
> > ohci_hcd.
> 
>  I don't like modules because of the extra boot time and lower performance.
> 
> > Actually none of these messages are relevant.  The ones that matter are 
> > the ones from ehci_hcd that precede these, especially the one about "full 
> > speed --> companion".  Unless there _are_ no messages from ehci_hcd -- 
> > that would be even more significant.
> 
>  I plugged the mouse into a different machine and saw the messages you 
> expected,
> but not a single message comes from ehci_hcd when I plug the mouse or hub into
> the notebook.
> 
> > The settings of the OHCI controller are somehow 
> > interfering with the proper operation of the EHCI controller.
> 
>  All three hcd's are using IRQ 217, which may be using MSI (how do I tell?)

$ cat /proc/interrupts

The interrupt "type" will be listed as one of XT-PIC (ancient:),
IO-APIC-edge, IO-APIC-level, or PCI-MSI.

>  And I just tried an i386 kernel; it has the same problem so it's not
> specific to x86_64.

---
~Randy
You can't do anything without having to do something else first.
-- Belefant's Law


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